Information injection-pump assembly
BOSCH
9 400 610 447
9400610447
ZEXEL
101402-3872
1014023872
KOMATSU
3863418
3863418

Rating:
Service parts 101402-3872 INJECTION-PUMP ASSEMBLY:
1.
_
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
7.
COUPLING PLATE
8.
_
9.
_
10.
NOZZLE AND HOLDER ASSY
11.
Nozzle and Holder
12.
Open Pre:MPa(Kqf/cm2)
21.6{220}
13.
NOZZLE-HOLDER
14.
NOZZLE
15.
NOZZLE SET
Cross reference number
BOSCH
9 400 610 447
9400610447
ZEXEL
101402-3872
1014023872
KOMATSU
3863418
3863418
Zexel num
Bosch num
Firm num
Name
101402-3872
9 400 610 447
3863418 KOMATSU
INJECTION-PUMP ASSEMBLY
4BT-C K 14BC INJECTION PUMP ASSY PE4A,5A, PE
4BT-C K 14BC INJECTION PUMP ASSY PE4A,5A, PE
Calibration Data:
Adjustment conditions
Test oil
1404 Test oil ISO4113 or {SAEJ967d}
1404 Test oil ISO4113 or {SAEJ967d}
Test oil temperature
degC
40
40
45
Nozzle and nozzle holder
105780-8140
Bosch type code
EF8511/9A
Nozzle
105780-0000
Bosch type code
DN12SD12T
Nozzle holder
105780-2080
Bosch type code
EF8511/9
Opening pressure
MPa
17.2
Opening pressure
kgf/cm2
175
Injection pipe
Outer diameter - inner diameter - length (mm) mm 6-2-600
Outer diameter - inner diameter - length (mm) mm 6-2-600
Overflow valve
131424-3420
Overflow valve opening pressure
kPa
255
221
289
Overflow valve opening pressure
kgf/cm2
2.6
2.25
2.95
Tester oil delivery pressure
kPa
157
157
157
Tester oil delivery pressure
kgf/cm2
1.6
1.6
1.6
Direction of rotation (viewed from drive side)
Right R
Right R
Injection timing adjustment
Direction of rotation (viewed from drive side)
Right R
Right R
Injection order
1-3-4-2
Pre-stroke
mm
2.5
2.45
2.55
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-3 deg. 90 89.5 90.5
Cal 1-3 deg. 90 89.5 90.5
Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 3
Cyl.1-2 deg. 270 269.5 270.5
Cyl.1-2 deg. 270 269.5 270.5
Injection quantity adjustment
Adjusting point
A
Rack position
10.5
Pump speed
r/min
1175
1175
1175
Average injection quantity
mm3/st.
82.5
81.5
83.5
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Fixing the lever
*
Boost pressure
kPa
62
62
Boost pressure
mmHg
465
465
Hydraulic cylinder ON
*
Injection quantity adjustment_02
Adjusting point
C
Rack position
8.5+-0.5
Pump speed
r/min
400
400
400
Average injection quantity
mm3/st.
9
8
10
Max. variation between cylinders
%
0
-15
15
Fixing the rack
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Hydraulic cylinder ON
*
Injection quantity adjustment_03
Adjusting point
D
Rack position
-
Pump speed
r/min
100
100
100
Average injection quantity
mm3/st.
85
85
95
Fixing the lever
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Hydraulic cylinder OFF
*
Rack limit
*
Boost compensator adjustment
Pump speed
r/min
800
800
800
Rack position
R1-0.75
Boost pressure
kPa
28
28
28
Boost pressure
mmHg
210
210
210
Boost compensator adjustment_02
Pump speed
r/min
800
800
800
Rack position
R1(10.5)
Boost pressure
kPa
38
34
42
Boost pressure
mmHg
285
255
315
Test data Ex:
Governor adjustment

N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)Tolerance for racks not indicated: +-0.05mm.
(3)The torque control spring does not operate.
(4)Adjust the secondary timing before adjusting the governor.
(5)RACK LIMIT (When hydraulic cylinder is OFF)
(6)Boost compensator stroke: BCL
(7)When the hydraulic cylinder is ON (P1)
----------
K=8 BCL=0.75+-0.1mm P1=((392)kPa{(4)kgf/cm2})
----------
----------
K=8 BCL=0.75+-0.1mm P1=((392)kPa{(4)kgf/cm2})
----------
Speed control lever angle

F:Full speed
I:Idle
(1)-
(2)Stopper bolt setting
----------
----------
a=11deg+-5deg b=26deg+-5deg
----------
----------
a=11deg+-5deg b=26deg+-5deg
Stop lever angle

N:Pump normal
S:Stop the pump.
(1)Without return spring
----------
----------
a=0deg+-5deg b=53deg+-5deg
----------
----------
a=0deg+-5deg b=53deg+-5deg
Timing setting

(1)Pump vertical direction
(2)Key groove position at No. 1 cylinder's beginning of injection position (at BTDC: aa).
(3)Position of the key groove of the No. 1 cylinder at B.T.D.C. bb (fix the governor flyweight at this position for delivery).
(4)B.T.D.C.: aa
(5)At second timing adjustment, set the camshaft at the * position and tighten the flyweight locknut.
(6)Align the flyweight's timing gear position with the lockpin groove and then fully tighten the flyweight to the camshaft.
(7)Remove the lock pin and adjust the governor. Reinstall the lock pin to fix the flyweight for delivery.
----------
aa=16deg bb=0deg
----------
a=54deg54min+-3deg b=8deg+-30min
----------
aa=16deg bb=0deg
----------
a=54deg54min+-3deg b=8deg+-30min
Information:
This Program can be administered aftera failure occurs. The decision whether to apply the Program is made bythe dealer. When reporting the repair, use "PS50440" as the Part numberand "7755" as the Group Number and use 135579 DTF Code. Use "96" as theWarranty Claim Description Code and use "Z" as the SIMS Description Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. Dealer and District are responsible fordetermining eligibility. Engine installations that are known to have airentry into fuel supply are not eligible for this program.TERMINATION DATE
April 30, 2003PROBLEM
The fuel injector tip may fail on certain 3500BMarine and Genset enginesAFFECTED PRODUCT
Group1
Model Identification Number
3508B 2HW125-1601TW249-2713DW153-161
3512B 4AW329-4282GW234-277
3512B M/AUX 1PW355-361
3516B 1NW122-1342FW183-2123CW236-242
Group2
Model Identification Number
3508B 2BM139-151
3512B 7HM207-224
3516B 8CN170-180
Group3
Model Identification Number
3512B 4TN207-3118EM317-352
3516B 8KN368-4159AN175-201
Group4
Model Identification Number
3508B 7SM229-328
Group5
Model Identification Number
3508B 3DM157-206 PARTS NEEDED
Group 1* - 0R9944
* 8 for 3508 Engines (2HW125-160, 1TW249-271, 3DW153-161)
12 for 3512 Engines (4AW329-428, 2GW234-277, 1PW355-361)
16 for 3516 Engines (1NW122-134, 2FW183-212, 3CW236-242)Group 2* - 0R8691
* 8 for 3508 Engines (2BM139-151)
12 for 3512 Engines (7HM207-224)
16 for 3516 Engines (8CN170-180)Group 3* - 0R8688
* 12 for 3508 Engines (4TN207-311, 8EM317-352)
16 for 3512 Engines (8KN368-415, 9AN175-201)Group 4* - 0R8688 ?OR- 0R8690
* 8 for 3508 Engines (7SM229-328)Group 5* - 0R8690
* 8 for 3508 Engines (3DM157-206)ACTION REQUIRED
Replace all injectors and resultant damage, perstandard repair procedures (SENR6564-04 for injector R&I).SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-5000 hrs(0-24 mos) 100% 100% 0 0 0 0
5001-10000 hrs(24-48 mos) 33.3% 50% 0 0 50% 50%
NOTE : Maximum allowable labor for injectorreplacement is 1 hour plus 0.5 hours per injector. Use labor times listedin the Time Requirement Guide for replacing the resultant damage.PARTS DISPOSITION
***** North American and Canadian Dealers*****Return Complete Injector Sets to:Caterpillar Inc.Attn: Fergal O?Shea
Service Claims Room (PS50440)
8201 N. University
Peoria, IL 61615***** All Other Dealers *****Handle the parts in accordance with your WarrantyBulletin on
warranty parts handling.
April 30, 2003PROBLEM
The fuel injector tip may fail on certain 3500BMarine and Genset enginesAFFECTED PRODUCT
Group1
Model Identification Number
3508B 2HW125-1601TW249-2713DW153-161
3512B 4AW329-4282GW234-277
3512B M/AUX 1PW355-361
3516B 1NW122-1342FW183-2123CW236-242
Group2
Model Identification Number
3508B 2BM139-151
3512B 7HM207-224
3516B 8CN170-180
Group3
Model Identification Number
3512B 4TN207-3118EM317-352
3516B 8KN368-4159AN175-201
Group4
Model Identification Number
3508B 7SM229-328
Group5
Model Identification Number
3508B 3DM157-206 PARTS NEEDED
Group 1* - 0R9944
* 8 for 3508 Engines (2HW125-160, 1TW249-271, 3DW153-161)
12 for 3512 Engines (4AW329-428, 2GW234-277, 1PW355-361)
16 for 3516 Engines (1NW122-134, 2FW183-212, 3CW236-242)Group 2* - 0R8691
* 8 for 3508 Engines (2BM139-151)
12 for 3512 Engines (7HM207-224)
16 for 3516 Engines (8CN170-180)Group 3* - 0R8688
* 12 for 3508 Engines (4TN207-311, 8EM317-352)
16 for 3512 Engines (8KN368-415, 9AN175-201)Group 4* - 0R8688 ?OR- 0R8690
* 8 for 3508 Engines (7SM229-328)Group 5* - 0R8690
* 8 for 3508 Engines (3DM157-206)ACTION REQUIRED
Replace all injectors and resultant damage, perstandard repair procedures (SENR6564-04 for injector R&I).SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-5000 hrs(0-24 mos) 100% 100% 0 0 0 0
5001-10000 hrs(24-48 mos) 33.3% 50% 0 0 50% 50%
NOTE : Maximum allowable labor for injectorreplacement is 1 hour plus 0.5 hours per injector. Use labor times listedin the Time Requirement Guide for replacing the resultant damage.PARTS DISPOSITION
***** North American and Canadian Dealers*****Return Complete Injector Sets to:Caterpillar Inc.Attn: Fergal O?Shea
Service Claims Room (PS50440)
8201 N. University
Peoria, IL 61615***** All Other Dealers *****Handle the parts in accordance with your WarrantyBulletin on
warranty parts handling.
Have questions with 101402-3872?
Group cross 101402-3872 ZEXEL
Komatsu
Komatsu
Komatsu
Komatsu
Komatsu
Komatsu
101402-3872
9 400 610 447
3863418
INJECTION-PUMP ASSEMBLY
4BT-C
4BT-C